Home / 579,388.50-869,043.87-158,668.02

Finding the Fourth Proportional to 579,388.50, 869,043.87 and 158,668.02

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Solution

The fourth proportional to 579,388.50, 869,043.87 and 158,668.02 is: 237,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,388.50 : 869,043.87 = 158,668.02 : x
  2. Step 2: Convert to fraction form
    579,388.50/869,043.87 = 158,668.02/x
  3. Step 3: Cross multiply
    579,388.50x = 869,043.87 × 158,668.02
  4. Step 4: Simplify right side
    579,388.50x = 137,889,470,146.04
  5. Step 5: Solve for x
    x = 137,889,470,146.04/579,388.50
  6. Step 6: Final answer
    x = 237,991.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.